v = PyObject_AsFileDescriptor( o );\r
if (v == -1) goto finally;\r
\r
-#if defined(_MSC_VER) && !defined(UEFI_ENV)\r
+#if defined(_MSC_VER) && !defined(UEFI_C_SOURCE)\r
max = 0; /* not used for Win32 */\r
#else /* !_MSC_VER */\r
if (v < 0 || v >= FD_SETSIZE) {\r
for (j = 0; fd2obj[j].sentinel >= 0; j++) {\r
fd = fd2obj[j].fd;\r
if (FD_ISSET(fd, set)) {\r
-#if !defined(_MSC_VER) || defined(UEFI_ENV)\r
+#if !defined(_MSC_VER) || defined(UEFI_C_SOURCE)\r
if (fd > FD_SETSIZE) {\r
PyErr_SetString(PyExc_SystemError,\r
"filedescriptor out of range returned in select()");\r